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3 years ago

Which statement correctly describes glucose (CGH120.?

Biology

1 answer:

olga nikolaevna [1]3 years ago

6 0

Answer:

It is made of matter and contains twenty-four molecules.

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A student measured a books cover and recorded the length as 28.1 cm and the width as 22.7 cm.

wariber [46]

Answer: P= (Lx2)+(Wx2)

A=Bxh

Explanation:depends if you are finding area or perimeter. Area is base multiply by height (or length times width).

Perimeter is base times 2 plus width times 2 (or add all the sides up)

8 0

3 years ago

Effects of caffeine on cognitive functions

Maru [420]

Caffeine works as an adenosine receptor antagonists, this essentially means that it works in the opposite manner or works against the receptor. Think of antagonist in the term of literature it goes against the agonist. Adenosine when bond to the receptor causes tiredness, this is the reason why people drink caffeine to stay wake and to prevent cognitive decline from exhaustion. So caffeine doesn’t really effect learning or memory to a large extent like other stimulants do. So basically caffeine increases wakefulness which in turn allows a person to focus longer, slight increase in memory, and more of a sorted out thought process.

7 0

3 years ago

Which of the following best describes the cytoplasm in the cell?

Bingel [31]

Answer: A watery substance where cell processes take place.

Explanation: Process of elimination. The 2nd and last answer choices are both immediately wrong because cytoplasm is not a hard/solid substance. And the third answer choice is wrong because the cell membrane’s job is to prevent organelles from leaving the cell, not the cytoplasm. Therefore the answer is A, a watery substance where cell processes take place.

3 0

3 years ago

Choose all the answers that apply.

arlik [135]

Answer:

Option A, B, and C are correct

Explanation:

Incomplete dominance means that the trait represented by two alleles expresses themselves equally thereby hindering dominance of any of the allele completely.

Now,

Let us assume the allele of red petals be represented by "R" and the allele of white petals be represented by "r"

The pink flowers will have genotype "Rr"

Now if two pink flowers are crossed, the following offsprings are produced

Rr X Rr

RR, Rr, Rr, rr

Let us evaluate all the options one by one

a) Ration of pink flower to red flower ( Rr:RR)

There are 2 pink (Rr) flower and 1 Red (RR) , thus the ration of pink flower to red flower is 2:1. Option A is correct

b) one out of four offspring is white in color, therefore the % of white flower is

$\frac{1}{4} * 100\\= 25\\$ %. Option B is correct

c) Two pairs RR and rr are homozygous, thus out of four offsprings two are homozygous. Therefore %of homozygous flowers will be

$\frac{2}{4} * 100\\= 50\\$ %. Option C is correct

d) There are two heterozygous offsprings i.e Rr, therefore the % of heterozygous is $\frac{2}{4} * 100\\= 50\\$ %. Option D is incorrect

e) half of the flowers are hybrid. Therefore option e is incorrect

Therefore, Option A, B, and C are correct

4 0

3 years ago

What organelle aids in the production and movement of proteins and other materials through the cell?

alina1380 [7]

The endoplasmic reticulum aids in the production and movement of proteins and other materials through the cell.

4 0

3 years ago

Read 2 more answers